SPSC LECTURER ZOOLOGY PAST PAPERS 2000 TO TILL DATE
Zoology 5 years Past Papers Click here
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
ستنداریوں میں آر بی سی _____ ہیں؟
- Oval and enucleated
- Oval and nucleated
- Biconcave and enucleated
- None of these
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Explanation
Mammalian RBCs are biconcave in shape, which increases their surface area for efficient oxygen transport.
They are enucleated, meaning they lack a nucleus, allowing more space for hemoglobin.
رینگنے والے جانوروں کی ہڈیاں _____ کے ذریعہ احاطہ کرتی ہیں؟
- Calcium
- Chitin
- Keratin
- None of these
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Explanation
In reptiles, keratin forms the outer covering of scales, claws, and shells (e.g., turtles).This protein provides protection and prevents water loss.
- Adverb
- Verb
- Noun
- None of these
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Explanation
Quickly describes how she ran, modifying the verb "ran", which makes it an adverb.Adverbs often describe manner, time, place, or degree.
ایک اہم خصوصیت کی خصوصیت ، جو صرف فیلم کویلینٹیرٹا میں موجود ہے؟
- Nematocysts
- Flame cells
- Polymorphism
- None of these
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Explanation
Nematocysts are specialized stinging cells unique to Coelenterata (Cnidaria).It is used for defense and capturing prey.These are found in jellyfish, corals, and sea anemones.
انسانی بیماری کے سب سے اہم ویکٹر (ٹرانسمیشن ایجنٹ) شاید _____ ہوں گے؟
- Fleas
- Beetles
- Ants
- None of these
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Explanation
Fleas are major vectors of diseases like plague (Yersinia pestis) and typhus.They transmitting pathogens through their bites.Other insects like mosquitoes and ticks are also significant disease vectors.
غیر قطبی نیوران ____ میں نظر آتے ہیں؟
- Starfish
- Molluscs
- Sponges
- None of these
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Explanation
Non-polar neurons lack distinct axons and dendrites.They are seen in sponges, which have a simple nerve-less body structure.Sponges rely on water flow and do not have a true nervous system.
- Because of
- Because that
- It is because
- Because
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Explanation
- The sentence should read: "No one knows what color dinosaurs were because no sample of their skin has survived."
- کوئی نہیں جانتا ہے کہ ڈایناسور کیا رنگ تھے کیونکہ ان کی جلد کا کوئی نمونہ زندہ نہیں بچا ہے۔
- "Because" is a subordinating conjunction used to introduce a dependent clause that provides a reason or explanation for the main clause.
- In this case, the lack of surviving skin samples is the reason why we don't know the color of dinosaurs.
کھروں والے جانوروں جیسے گھوڑے کی ابتدا _____ میں ہوئی ہے؟
- Oligocene epoch
- Eocene epoch
- Miocene epoch
- None of these
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Explanation
The earliest horse-like hoofed animals, such as Eohippus (Hyracotherium).It appeared during the Eocene epoch (about 56–33.9 million years ago).These early horses were small, with multiple toes, later evolving into modern hoofed horses.
فیریٹمس میں پیٹ کے گلینڈ کے خلیات _____ تیار کرتے ہیں؟
- Lipase
- Amylase
- Mucus
- None of these
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Explanation
In Pheretima (Earthworm), gland cells in the stomach secrete mucus to aid in food lubrication and digestion.Mucus helps in the smooth passage of food and prevents damage to the gut lining.
مندرجہ ذیل میں سے کون سا آٹومیمون ڈس آرڈر ہے؟
- Hashimoto's disease
- Wilson's disease
- Parkinson's disease
- None of these
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Explanation
Hashimoto's disease is an autoimmune disorder where the immune system attacks the thyroid gland, leading to hypothyroidism.It causes fatigue, weight gain, and swelling of the thyroid (goiter).
